>> well, the fbi, the people working the case on a daily basis are fbi agents. and they have tried very hard to find out information about bob and get him returned to our family safely. unfortunately, that hasn't happened. they haven't been able to get the kind of information we would hope they would be able to obtain. diplomatically, it takes a long time for each diplomatic request to go through all of the channels and i know over the course of all of these years, that the government and the state department have tried to do that, but have been unsuccessful. i feel that there needs to be more attention to the case and that's why i am putting these pictures out and trying to get everyone to -- to be reminded that bob is still missing. >> greta: and i assume-- >> or in custody. >> greta: some communications, maybe not directly between the u.s. and iran, but through some other third nation. has iran ever made an admission that they know where he is or that they're holding him or want him for any particular reason? or have they denied flatley that they have him? >>